restore complexity change

src/coreclr/jit/morph.cpp

@@ -3633,7 +3633,7 @@ GenTree* Compiler::fgMorphIndexAddr(GenTreeIndexAddr* indexAddr)
         }
 
         if (((index->gtFlags & (GTF_ASG | GTF_CALL | GTF_GLOB_REF)) != 0) ||
-            gtComplexityExceeds(index, MAX_ARR_COMPLEXITY) || index->OperIs(GT_LCL_FLD) ||
+            gtComplexityExceeds(index, MAX_INDEX_COMPLEXITY) || index->OperIs(GT_LCL_FLD) ||
             (index->OperIs(GT_LCL_VAR) && lvaIsLocalImplicitlyAccessedByRef(index->AsLclVar()->GetLclNum())))
         {
             unsigned indexTmpNum = lvaGrabTemp(true DEBUGARG("index expr"));